Re: [PATCH v6 12/12] mmap locking API: convert mmap_sem comments

From: Andrew Morton
Date: Thu May 21 2020 - 13:25:20 EST


On Thu, 21 May 2020 00:50:56 -0700 Michel Lespinasse <walken@xxxxxxxxxx> wrote:

> > > * Must be called holding task's alloc_lock to protect task's mems_allowed
> > > - * and mempolicy. May also be called holding the mmap_semaphore for write.
> > > + * and mempolicy. May also be called holding the mmap_lockaphore for write.
> > > */
> > > static int mpol_set_nodemask(struct mempolicy *pol,
> > > const nodemask_t *nodes, struct nodemask_scratch *nsc)
> >
> > :)
>
> Haha, good catch !

aww, you're all so cruel. The world would be a better place if Linux
had lockaphores!